Generator Repair in Maine-Certified Sales and Service
Gentec Power Solutions provides complete generator sales and service in Maine. As a certified Generac dealer, we offer installation, maintenance, and expert repairs for residential and light commercial customers.

Generac Certified • Licensed & Insured • Local to Greater Bangor
What we repair
- ✔ Won’t start/fails self-test
- ✔ Fault codes or controller alerts
- ✔ Voltage or frequency issues
- ✔ No power output
- ✔ Starting, or cranking issues
- ✔ Battery, starter or sensor faults
We service air-cooled and liquid-cooled Generac units for homes and small businesses.

Warranty & Non-Warranty Service
We’re a Generac Certified Service Provider, authorized to perform manufacturer warranty repairs. Out of warranty? No problem—expect clear diagnostics and fair, no-pressure estimates.
Our Repair Process
- Diagnosis — Factory tools read codes, verify sensors, load-test battery.
- Estimate — Clear parts & labor breakdown before work starts.
- Repair — Code-compliant fixes by a certified tech.
- Run Test — Final verification so you’re outage-ready.
Priority service: No-start and active power-out cases are queued first for
Common fixes: controller & sensor replacements, charging issues, alternator/output faults, fuel-related problems.
Need a repair? Don’t wait. Tell us the fault code or symptom and we’ll schedule a visit.

Repair FAQs
My Generac shows a fault code—what should I do?Note the exact code/message and safely shut the unit down if it’s running poorly. Call with the code so we bring the right parts.
Do you do warranty repairs?Yes—Generac Certified Service Provider for warranty and non-warranty repairs.
What’s in a diagnostic visit?Controller scan, battery/load test, sensor checks, fuel/connection review, and a clear estimate.
How fast can you get to Bangor neighborhoods?No-start and power-out calls are prioritized; most Bangor addresses receive prompt dispatch.
